POSITIVE AND NEGATIVE NUMBERS - Clovis

POSITIVEAND NEGATIVENUMBERS

ADDITION/ SUBTRACTION:

):( Positive number plus a positive number, add the two numbers, and it equals a positive

number.

(+) Positive

Good Guy

Plus+

does

(+) Positive

comes to town

=

(+} Positive

a good thing

):( Positive number minus a negative number switches the double negative to a positive;

add the two numbers and it equals a positive number.

(+} Positive This becomes:

Minus(+} Positive

(-} Negative

=

Plus (+} Positive =

(+} Positive (+} Positive

Good Guy

does come to town

a good thing

):( Negative number plus a negative number, add the numbers, and keep the negative sign.

(-) Negative

Plus+

(-} Negative

=

(-) Negative

Wrong

and

wrong again

makes another wrong

):( Negative number minus a positive number, adds the numbers, and keeps the negative

sign.

(-} Negative

Minus-

(+} Positive

=

(-} Negative

):( Positive number plus a negative number, subtract the numbers, and take the sign of the

bigger number.

(+} Positive

Plus+

(-} Negative = (Sign of Biggest#) the Difference

):( Positive number minus a positive number, subtracts the numbers, and takes the sign of

the bigger number.

(+} Positive

Minus-

(+} Positive = (Sign of Biggest#} the Difference

):( Negative number plus a positive number, add the numbers, and keep the sign of the bigger number.

(-} Negative

Plus+

(+} Positive = (Sign of Biggest#) the Difference

MULTIPLICATION/ DIVISION:

Negative numbers times (or divided by) a positive number equals a negative number

(-} Negative

Times/Divided by

(+} Positive =

(-} Negative

Bad Guy

comes to town

bad thing

(+) Positive

Good Guy

Times/Divided by

(-) Negative =

leaves town

(-) Negative

bad thing

Positive number times (or divided by) a positive number equals a positive number.

(+) Positive

Times/Divided by

(+) Positive =

(+) Positive

Good Guy

Comes to town

a good thing

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